混凝土

concrete

confused / dirty / to mix / muddy / variant of 渾|浑[hun2]

to mix / to mingle / muddled / to drift along / to muddle along / to pass for / to get along with sb / thoughtless / reckless

to congeal / to concentrate attention / to stare

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]